In the end, Sunny did make a trade with Naeve. He had a surplus of Memories after slaying many Nightmare Creatures to defend the convoy, and the Nightwalker was in dire need of weapons and armor suited for land combat, to arm his own Awakened.
There had been a full cohort of them aboard the battleship once, but now, only four remained. Since these warriors of the House of Night would be defending the caravan along with the other Awakened in the near future, and Saint was still slumbering, Sunny did not drive a hard bargain.
That was how he received two new Memories, which were meant to cover the gap in his arsenal when it came to traversing and fighting in the water.
One of them was a simple Awakened charm that allowed him to breathe underwater. It was called [Essence Pearl], and had two enchantments. One passively produced air, the other had to be activated and gifted the wielder with the ability to see clearly, as if they were wearing a glass mask.